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Coil device

  • US 10,497,509 B2
  • Filed: 04/30/2019
  • Issued: 12/03/2019
  • Est. Priority Date: 02/04/2016
  • Status: Active Grant
First Claim
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1. A coil device comprising;

  • a winding coil including Cu and having a winding part and extension line parts which are pulled out from the winding part,a pair of electrodes made of a conductive material, each of the pair of electrodes having (1) a connecting wire part having a connecting wire face connected with one of the extension line parts and a protective face sandwiching the one of the extension line parts with the connecting wire face and (2) a base part provided with a mounting base face at one of faces of the base part and connected to the connecting wire part, anda magnetic part including a magnetic material and covering at least the winding part and the connecting wire part, whereinthe connecting wire face of the connecting wire part of each of the pair of electrodes is provided at a face projecting out to the opposite direction with respect to the mounting base face of the base part of the electrode in the direction perpendicular to the mounting base face, by providing the connecting wire part at a conductor piece fixed to the base part, or by providing the connecting wire part at a part where thickness of the base part that constitutes the electrode is thicker than the other parts.

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